code: def __repr__(self):
      return self.__class__.__name__
  
imports: import torch
  import torch.nn.functional
  from torch.nn import BatchNorm1d
  from torch.nn import Linear, ReLU, Sequential
  from torch_geometric.nn import GINConv, JumpingKnowledge, global_mean_pool
label_desc: Use image node_id 4 for calling the GIN0WithJK obj's underlying member method code with example usage: obj.__repr__() and returns: self